All apps

403 Studio

Neon Siege app icon

Neon Siege

Hold the line.

A neon-infused tower defense game built for offline action. Command unique defense towers to hold the line against waves of incoming creeps across challenging paths. No energy timers, no internet connection required — pure strategy at your fingertips.

Key Capabilities

Command 6 unique towers with upgrade paths
Defend against various waves of enemy creeps
Fully offline play with zero energy timers
Clean, modern neon sci-fi user interface
Secure synchronization via personal iCloud

Included Games

Tower Defense
Strategy
Offline Games
Neon Siege
+ More to Come
Join the openTestFlight Beta
Open Beta Now Available

Exclusively for iPhone. Securely synchronized via your own personal iCloud.

Join Open Beta
Neon Siege main menu screen